老化
現(xiàn)象:制品機(jī)械性能明顯降低,外觀質(zhì)量變差
原因:與無機(jī)材料和金屬材料相比,高分子材料的耐熱、耐紫外線性較差引起制品老化。多數(shù)制品因老化而使其機(jī)械特性明顯降低,外觀質(zhì)量變差。
解決方法:通過配合耐熱、耐候性等穩(wěn)定劑,通過添加紫外線吸收劑、光穩(wěn)定劑的方法,在一定程度上可以抑制老化現(xiàn)象的產(chǎn)生。
產(chǎn)品說明Product description |
·TO8600是一款高性能彈性體材料,具有優(yōu)異的耐候、耐老化性能. TO8600 is a high performance elastomer material with excellent weather resistance and aging resistance. |
關(guān)鍵特性Key characteristic |
1.良好的低溫抗沖擊性Good low temperature resistance and impact resistance. 2.的回彈性和柔軟性Excellent resilience and soft touch. 3.耐候性好,耐油,耐化學(xué)性Good weather resistance, oil resistance, chemical resistance |
功能Function |
產(chǎn)品應(yīng)用 Main application | 電線電纜 | 體育器材Sports goods |
| 家用電器Household appliances | |
加工方法Processing method | 擠出成型 |
環(huán)保認(rèn)證 Environmental certification | ROHS | REACH | EN71-3 |
| PAHS | ASTM-F963 | Phthalate |
顏色Color | 透明 |
氣味Smell | 少許樹脂味A little resin smell |
外型Appearance | 圓球形小顆粒Cylindrical particle,about 3mm×1.5mm |
儲藏期Storage period | 常溫下通風(fēng)干燥,12個(gè)月Ventilated dry at normal temperature,about 12 months |
包裝方式Packaging method | 25公斤/袋 25kg/bag |
物理性能Physical properties | 結(jié)果Result | 單位Unit | 方法Method | 成型條件Molding condition |
比重Specific gravity | 0.89±0.02 | g/cm3 | ASTM D792 | 干燥溫度Drying temp |
硬度Hardness | 88±3 | shoreA | ASTM D2240 | 干燥時(shí)間Drying time |
拉伸強(qiáng)度Tensile strength | >8 | Mpa | ASTM D412 | 射嘴溫度Nozzle temp 190℃ |
斷裂延伸Elongation at break | >500 | % | ASTM D412 | 螺筒一段溫度Screw 1 temp 180℃ |
撕裂強(qiáng)度Tearing strength | >40 | Kn/m | ASTM D624 | 螺筒二段溫度Screw 2 temp 170℃ |
熔融指數(shù)Melt index | >10 | g/10min | ASTM D1238 | 螺筒三段溫度Screw 3 temp 160℃ |